Occlusion plays a critical role in restorative dentistry, significantly impacting the success and longevity of dental restorations. Proper occlusal alignment ensures functional harmony, patient comfort, and the longevity of both natural teeth and restorations. This review explores the fundamental concepts of occlusion in restorative dentistry, including the principles of occlusal analysis, diagnosis, and treatment planning. It highlights the importance of achieving balanced occlusion in various restorative procedures such as adhesive restorations, crowns, implant etc. Additionally, it discusses common occlusal issues encountered in restorative dentistry, including malocclusion, bruxism, and temporomandibular disorders (TMD), and outlines strategies for their management. Emphasis is placed on the integration of digital technology in occlusal assessment and the role of interdisciplinary collaboration in achieving optimal outcomes. By thoroughly examining contemporary practices and emerging trends, this review seeks to shed light on the significance of occlusion in improving the overall standard of restorative dental care.